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ÔÀ´ÒÔΪnetcat×ö²»µ½£¬ÔÀ´ÊÇ×Ô¼ºÏë²»µ½£¬¶ø²»ÊÇnetcat×ö²»µ½……
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$ mknod backpipe p
½¨Á¢Ò»¸öÃüÃû¹ÜµÀ.
listener-to-client ת·¢£º
$ nc -l -p [localport] 0< backpipe |
nc [target ip] [port] |
tee backpipe
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listener-to-listener ת·¢£º
$ nc -l -p [localport] 0< backpipe |
nc -l -p [localport2] |
tee backpipe
client-to-client ת·¢£º
$ nc [ip1] [port1] 0< backpipe |
nc [ip2] [port2] |
tee backpipe
»¹ÓиüÀ׵ķ½·¨£¬ÓÃ×ÔÉíµÄ -e ²ÎÊý£º
$ echo nc [ip] [port] > relay.sh
$ chmod +x relay.sh
$ nc -l -p [port2] -e relay.sh
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Ç¿´óµÄlinux, Ç¿´óµÄnetcat !
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For all those who are beginners in any linux(ubuntu) find hard to find the package files of their distro and end up in finding an source package(which is either in tar.gz or .gz).. so now people think how to install these source files…..
lets now see how would you be installing source files ......
//»ñÈ¡±¾»úMACµØÖ·º¯ÊýQString GetLocalMac()
{
int sock_mac;
struct ifreq ifr_mac;
char mac_addr[30];
sock_mac = socket( AF_INET, SOCK_STREAM, 0 );
if( sock_mac == -1)
{
perror("create socket falise...mac\n");
return "";
}
memset(&ifr_mac,0,sizeof(ifr_mac));
......
1¡¢int 4×Ö½Ú
long 8×Ö½Ú
float 4×Ö½Ú
double 8×Ö½Ú
long double 16×Ö½Ú
2¡¢Ò»¸ö×Ö·û±äÁ¿Ö»ÄÜ´æ·ÅÒ»¸ö×Ö·û¡¢Ò»¸ö×Ö½Ú´æ·ÅÒ»¸ö×Ö½Ú
char c;
c = 'a'; c = '\034' ......
source file :
http://hi.baidu.com/neugraduzyq/blog/item/5602432f6a1a755a4ec22666.html
ÎÒÏëÔÚPATHϼÓÒ»¸ö/tools/binµÄ·¾¶ÓÃexport PATH=$PATH:/tools/binºóÓ¦¸ÃÊǼÓÉÏÈ¥ÁË£¬µ«ÊÇÓà echo $PATH »¹ÊÇÏÔʾµÄÔÀ´µÄ$PATH±äÁ¿µÄÖµ£¬¸Ð¾õÓÃexport PATH=$PATH:/tools/binÖ»ÊÇÔÚÔÀ´µÄ$PATH±äÁ¿ºó¼ÓÁËÒ»¸ö·¾¶µ½µ±Ç°µ ......